20269260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 69582240

約数和(自身を除く): 49312980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 353, 396, 435, 495, 522, 580, 638, 660, 706, 870, 957, 990, 1044, 1059, 1276, 1305, 1412, 1595, 1740, 1765, 1914, 1980, 2118, 2610, 2871, 3177, 3190, 3530, 3828, 3883, 4236, 4785, 5220, 5295, 5742, 6354, 6380, 7060, 7766, 9570, 10237, 10590, 11484, 11649, 12708, 14355, 15532, 15885, 19140, 19415, 20474, 21180, 23298, 28710, 30711, 31770, 34947, 38830, 40948, 46596, 51185, 57420, 58245, 61422, 63540, 69894, 77660, 92133, 102370, 112607, 116490, 122844, 139788, 153555, 174735, 184266, 204740, 225214, 232980, 307110, 337821, 349470, 368532, 450428, 460665, 563035, 614220, 675642, 698940, 921330, 1013463, 1126070, 1351284, 1689105, 1842660, 2026926, 2252140, 3378210, 4053852, 5067315, 6756420, 10134630, 20269260]

約数ペア:

[(1, 20269260), (2, 10134630), (3, 6756420), (4, 5067315), (5, 4053852), (6, 3378210), (9, 2252140), (10, 2026926), (11, 1842660), (12, 1689105), (15, 1351284), (18, 1126070), (20, 1013463), (22, 921330), (29, 698940), (30, 675642), (33, 614220), (36, 563035), (44, 460665), (45, 450428), (55, 368532), (58, 349470), (60, 337821), (66, 307110), (87, 232980), (90, 225214), (99, 204740), (110, 184266), (116, 174735), (132, 153555), (145, 139788), (165, 122844), (174, 116490), (180, 112607), (198, 102370), (220, 92133), (261, 77660), (290, 69894), (319, 63540), (330, 61422), (348, 58245), (353, 57420), (396, 51185), (435, 46596), (495, 40948), (522, 38830), (580, 34947), (638, 31770), (660, 30711), (706, 28710), (870, 23298), (957, 21180), (990, 20474), (1044, 19415), (1059, 19140), (1276, 15885), (1305, 15532), (1412, 14355), (1595, 12708), (1740, 11649), (1765, 11484), (1914, 10590), (1980, 10237), (2118, 9570), (2610, 7766), (2871, 7060), (3177, 6380), (3190, 6354), (3530, 5742), (3828, 5295), (3883, 5220), (4236, 4785)]